An easy way first to delete a symlink you don’t wont is unlink _______ (inserting the link here).
To make a new link you can use ln -s _____1______ ______2_______ (where 2 is the new folder to make, and 1 is the file or folder to link to the new folder
e.g. ln -s /var/www/yii-1-7 /home/goals/yii